DE50014106D1 - Device for measuring a level of a liquid in a container - Google Patents

Device for measuring a level of a liquid in a container

Info

Publication number
DE50014106D1
DE50014106D1 DE50014106T DE50014106T DE50014106D1 DE 50014106 D1 DE50014106 D1 DE 50014106D1 DE 50014106 T DE50014106 T DE 50014106T DE 50014106 T DE50014106 T DE 50014106T DE 50014106 D1 DE50014106 D1 DE 50014106D1
Authority
DE
Germany
Prior art keywords
liquid
level
container
ultrasonic waves
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE50014106T
Other languages
German (de)
Inventor
Dieter Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive GmbH
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE50014106D1 publication Critical patent/DE50014106D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2968—Transducers specially adapted for acoustic level indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Level Indicators Using A Float (AREA)

Abstract

Measurement device has an ultrasonic sensor (5) for generating ultrasonic waves in the liquid and for receiving reflected waves from the liquid level and an evaluation unit (8) for deriving the level from the transition times of the ultrasonic waves. Measurement reflector (4) is mounted near floor of container (1) at a predefined distance from sensor. Evaluation unit compares the transition times of the ultrasonic waves reflected at liquid leveler and at measurement reflector
DE50014106T 1999-09-04 2000-07-28 Device for measuring a level of a liquid in a container Expired - Lifetime DE50014106D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19942379A DE19942379A1 (en) 1999-09-04 1999-09-04 Device for measuring a level of a liquid in a container

Publications (1)

Publication Number Publication Date
DE50014106D1 true DE50014106D1 (en) 2007-04-12

Family

ID=7920903

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19942379A Withdrawn DE19942379A1 (en) 1999-09-04 1999-09-04 Device for measuring a level of a liquid in a container
DE50014106T Expired - Lifetime DE50014106D1 (en) 1999-09-04 2000-07-28 Device for measuring a level of a liquid in a container

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19942379A Withdrawn DE19942379A1 (en) 1999-09-04 1999-09-04 Device for measuring a level of a liquid in a container

Country Status (5)

Country Link
US (1) US6427532B1 (en)
EP (1) EP1081470B1 (en)
AT (1) ATE355511T1 (en)
DE (2) DE19942379A1 (en)
ES (1) ES2277810T3 (en)

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* Cited by examiner, † Cited by third party
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DE10145302B4 (en) * 2001-09-14 2011-03-17 Bayerische Motoren Werke Aktiengesellschaft Device for measuring the level of a liquid in a container
US6993967B2 (en) * 2002-07-12 2006-02-07 Ti Group Automotive Systems, L.L.C. Fluid level sensor
WO2004074782A2 (en) * 2003-02-14 2004-09-02 Adept Science & Technologies, Llc Ultrasonic liquid level monitor
DE102005043263C5 (en) * 2005-09-09 2019-09-05 HELLA GmbH & Co. KGaA Device for detecting a level of a fluid in a container
EP1826539A3 (en) * 2006-02-24 2014-02-19 Baumer Electric AG Method and apparatus for determination of the density and the level of a fluid in a container
US7721600B1 (en) * 2006-03-17 2010-05-25 Eastech Flow Controls, Inc. Flow measurement apparatus and method
KR101377623B1 (en) * 2006-07-18 2014-03-24 콘티 테믹 마이크로일렉트로닉 게엠베하 Multichamber ultrasonic sensor for determining a liquid level
DE102007042559A1 (en) 2007-09-07 2009-03-12 Continental Automotive Gmbh Fuel delivery unit
US7761202B2 (en) * 2008-01-10 2010-07-20 Ford Global Technologies, Llc Indicating a low volume of fluid in a transmission sump
DE102008027969B4 (en) * 2008-06-12 2017-11-02 Hella Kgaa Hueck & Co. Device for detecting a level with a damping cup
US8447533B1 (en) 2009-10-13 2013-05-21 Eastech Flow Controls, Inc. Method of wastewater flow measurement, system analysis, and improvement
US8583387B2 (en) 2010-06-04 2013-11-12 Ssi Technologies, Inc. Ultrasonic level, on-board diagnostic assessment
DE102011118711A1 (en) * 2011-11-16 2013-05-16 Seuffer Gmbh & Co.Kg measuring device
DE102012002011B4 (en) * 2012-02-03 2023-12-28 HELLA GmbH & Co. KGaA Device for measuring a level of a liquid, oil-lubricated engine and motor vehicle
EP2738528B1 (en) 2012-11-28 2018-11-07 Airbus Operations GmbH Fill level measurement system and method for determining a fill level
EP2848931A1 (en) * 2013-09-16 2015-03-18 Inergy Automotive Systems Research (Société Anonyme) A vehicle urea tank associated with a sensing chamber for acoustic quality and level sensing
DE202017100663U1 (en) 2017-02-08 2018-02-09 Seuffer gmbH & Co. KG Sensor device for detecting properties of fluid media
DE102017216342A1 (en) 2017-09-14 2019-03-14 Volkswagen Aktiengesellschaft Fuel tank system and motor vehicle
DE102018202209B3 (en) 2018-02-13 2019-05-29 Continental Automotive Gmbh Device for determining a height and / or quality of a fluid in a fluid container
DE102019216039B3 (en) * 2019-10-17 2021-02-04 Vitesco Technologies Germany Gmbh Arrangement and method for determining a minimum fill level of a fluid in a fluid container
EP3878654B1 (en) * 2020-03-11 2022-03-30 Heidelberger Druckmaschinen AG Device for measuring the level of a foam-forming ink for an ink jet printing machine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1219895A (en) * 1958-04-28 1960-05-20 Scully Signal Co Level measuring apparatus and method
US4470299A (en) * 1982-01-04 1984-09-11 Fischer & Porter Company Ultrasonic liquid level meter
US4531406A (en) * 1982-10-29 1985-07-30 Lockheed Corporation Ultrasonic liquid quantity measuring apparatus
EP0138541A1 (en) * 1983-10-06 1985-04-24 Lucas Kienzle Instruments Limited Liquid level measurement
US4770038A (en) * 1986-02-13 1988-09-13 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Ultrasonic depth gauge for liquids under high pressure
DE3706453A1 (en) * 1987-02-27 1988-09-08 Bayerische Motoren Werke Ag Liquid-level signal transmitter for motor vehicles
EP0489051B1 (en) * 1989-08-22 1995-11-22 Siemens Aktiengesellschaft Measuring device and process for determining the level in fluid containers, preferably for tank installations.
US5119676A (en) * 1991-09-03 1992-06-09 The Babcock & Wilcox Company Ultrasonic method and apparatus for determining water level in a closed vessel
US5586085A (en) * 1991-10-31 1996-12-17 Lichte; Leo J. Container and adaptor for use with fluid volume sensor
GB9218425D0 (en) * 1992-08-29 1992-10-14 Smiths Industries Plc Liquid-level gauging
GB9502087D0 (en) * 1995-02-02 1995-03-22 Croma Dev Ltd Improvements relating to pulse echo distance measurement
DE19531540C2 (en) * 1995-08-25 1999-05-27 Krohne Messtechnik Kg Method for measuring the level of a liquid
EP0770859A1 (en) * 1995-10-27 1997-05-02 Endress + Hauser Gmbh + Co. Calibration method for filling level measurement
DE19600097C1 (en) * 1996-01-03 1997-07-31 Siemens Ag Method and device for determining a liquid level using ultrasonic pulses
FR2751744B1 (en) * 1996-07-26 1998-10-23 Marwal Systems PIEZOELECTRIC LIQUID GAUGE DEVICE
US5793705A (en) * 1996-09-18 1998-08-11 International Business Machines Corporation Ultrasonic liquid level gauge for tanks subject to movement and vibration

Also Published As

Publication number Publication date
DE19942379A1 (en) 2001-03-08
ES2277810T3 (en) 2007-08-01
EP1081470B1 (en) 2007-02-28
US6427532B1 (en) 2002-08-06
EP1081470A1 (en) 2001-03-07
ATE355511T1 (en) 2006-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CONTINENTAL AUTOMOTIVE GMBH, 30165 HANNOVER, DE